24 lines
		
	
	
		
			484 B
		
	
	
	
		
			V
		
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			484 B
		
	
	
	
		
			V
		
	
	
| // Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
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| // Use of this source code is governed by an MIT license
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| // that can be found in the LICENSE file.
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| 
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| module rand
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| 
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| fn C.rand() int
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| 
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| pub fn seed(s int) {
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| 	C.srand(s)
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| }
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| 
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| pub fn next(max int) int {
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| 	return C.rand() % max
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| }
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| 
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| // rand_r returns a pseudo-random number;
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| // writes a result value to the seed argument.
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| pub fn rand_r(seed &int) int {
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| 	ns := *seed * 1103515245 + 12345
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| 	(*seed) = ns
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| 	return ns & 0x7fffffff
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| }
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